81672080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:433

約数の個数: 160

約数和(自身を含む): 240413184

約数和(自身を除く): 158741104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 368, 373, 391, 460, 476, 560, 595, 644, 680, 746, 782, 805, 920, 952, 1190, 1288, 1360, 1492, 1564, 1610, 1840, 1865, 1904, 1955, 2380, 2576, 2611, 2737, 2984, 3128, 3220, 3730, 3910, 4760, 5222, 5474, 5968, 6256, 6341, 6440, 7460, 7820, 8579, 9520, 10444, 10948, 12682, 12880, 13055, 13685, 14920, 15640, 17158, 20888, 21896, 25364, 26110, 27370, 29840, 31280, 31705, 34316, 41776, 42895, 43792, 44387, 50728, 52220, 54740, 60053, 63410, 68632, 85790, 88774, 101456, 104440, 109480, 120106, 126820, 137264, 145843, 171580, 177548, 208880, 218960, 221935, 240212, 253640, 291686, 300265, 343160, 355096, 443870, 480424, 507280, 583372, 600530, 686320, 710192, 729215, 887740, 960848, 1020901, 1166744, 1201060, 1458430, 1775480, 2041802, 2333488, 2402120, 2916860, 3550960, 4083604, 4804240, 5104505, 5833720, 8167208, 10209010, 11667440, 16334416, 20418020, 40836040, 81672080]

約数ペア:

[(1, 81672080), (2, 40836040), (4, 20418020), (5, 16334416), (7, 11667440), (8, 10209010), (10, 8167208), (14, 5833720), (16, 5104505), (17, 4804240), (20, 4083604), (23, 3550960), (28, 2916860), (34, 2402120), (35, 2333488), (40, 2041802), (46, 1775480), (56, 1458430), (68, 1201060), (70, 1166744), (80, 1020901), (85, 960848), (92, 887740), (112, 729215), (115, 710192), (119, 686320), (136, 600530), (140, 583372), (161, 507280), (170, 480424), (184, 443870), (230, 355096), (238, 343160), (272, 300265), (280, 291686), (322, 253640), (340, 240212), (368, 221935), (373, 218960), (391, 208880), (460, 177548), (476, 171580), (560, 145843), (595, 137264), (644, 126820), (680, 120106), (746, 109480), (782, 104440), (805, 101456), (920, 88774), (952, 85790), (1190, 68632), (1288, 63410), (1360, 60053), (1492, 54740), (1564, 52220), (1610, 50728), (1840, 44387), (1865, 43792), (1904, 42895), (1955, 41776), (2380, 34316), (2576, 31705), (2611, 31280), (2737, 29840), (2984, 27370), (3128, 26110), (3220, 25364), (3730, 21896), (3910, 20888), (4760, 17158), (5222, 15640), (5474, 14920), (5968, 13685), (6256, 13055), (6341, 12880), (6440, 12682), (7460, 10948), (7820, 10444), (8579, 9520)]